[Product Name] Clear Series to Type-C Adapter. [Wire] 12cm. [Version] 4K@30Hz, 8K@60Hz. [Product Size] 24 x 53mm. [Product Weight] 25g [Product Features] Plug and Play, Driver-free Operation, 8K Ultra HD, 144Hz High Refresh Rate, Multiple Modes, Aluminum Alloy Shell. Universal compatibility, no longer constrained by small screens, a simple to Type-C adapter instantly presents the big screen world Ultra HD, 8K video requires an 8K-capable USB-C port, an 8K-capable monitor and an 2.1 cable. 4K@144HZ, high refresh rate, enjoy high-resolution games and streaming media to High resolution and high refresh rate, smooth and tear-free ultra-high definition, refresh rate up to 144Hz. Big screen office is more efficient, conference presentations are easy, helping you become a speech expert Big screen viewing is more immersive, enjoy high-definition quality, as if you are in a giant screen theater How to set the refresh rate? : 1. Right-click on the desktop and select Display settings. 2. Click Advanced display settings 3. Click Display adapter properties 4. Click the Monitor tab 5. Click -down menu under Screen refresh rate for 15 Pro/Max: 1. Open "iOS Settings" and click "Accessibility" 2. Click "Motion" 3. Enable Limit frame rate to fix the refresh rate at 60Hz or disable it for the promotion to work properly macOS: 1. Select for the " menu" 2. Select "System Settings" (or "System Preferences") 3. Click Displays. 4. If your or monitor supports multiple refresh rates, you see a "Refresh rate" drop-down menu Android: 1. Launch the Settings app and select Display 2. Click "Motion smoothing". Select the option you want 3. Then click Apply Color: As Shown Material: Aluminum Alloy Package Contents: 1 * Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.